{"product_id":"westinghouse-la3300s-circuit-breaker","title":"Westinghouse | LA3300S | Circuit Breaker | 300A | 3-Pole | 600V","description":"\u003cdiv\u003e\n\u003cp\u003eWestinghouse LA3300S Circuit Breaker is a purpose-built solution for protecting high-demand, three-phase electrical systems. With a 300A rating, 3-pole design, and a 600V maximum, this breaker is engineered for maintenance, retrofit, and replacement projects where exact specifications matter.\u003c\/p\u003e \u003ch3\u003eKey specifications\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 300 A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 3-Pole\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage rating:\u003c\/strong\u003e 600 V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eCompatibility reference:\u003c\/strong\u003e Part number LA3300S is the best reference for compatibility\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eImportant note:\u003c\/strong\u003e Confirm fit and ratings before ordering. Use the part number LA3300S to verify compatibility with your panel or disconnect, as this ensures the exact match for reliable protection and easy replacement.\u003c\/p\u003e \u003ch3\u003eWhy choose the LA3300S for your installation\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003ePrecise fit for compatible panels:\u003c\/strong\u003e Designed to align with panels that support the LA3300S form and specifications, simplifying retrofit and replacement.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eRobust high-current protection:\u003c\/strong\u003e 300 A capacity provides dependable safeguarding for main feeders and critical loads in commercial or light industrial setups.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThree-phase reliability:\u003c\/strong\u003e The 3-pole design ensures synchronized tripping across all phases, reducing imbalance risks in three-phase circuits.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePractical for planned maintenance:\u003c\/strong\u003e A straightforward component swap in appropriate panels minimizes downtime during service or upgrades.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eIdeal use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eUpgrading service panels or distribution boards that require a 300A, 3-pole, 600V breaker.\u003c\/li\u003e \u003cli\u003eReplacing a failed LA3300S in compatible Westinghouse or compatible-panel environments to restore full protective performance quickly.\u003c\/li\u003e \u003cli\u003eRetrofit projects involving 600V three-phase systems where precise current rating and form factor matter for panel compatibility.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eInstallation and safety tips\u003c\/h3\u003e\n\u003cp\u003eBefore replacing any breaker, power down the equipment and follow standard lockout\/tagout procedures. Verify that your panel’s catalog and the LA3300S specifications align. If in doubt, reference the part number LA3300S as the definitive compatibility check to avoid misfits and unnecessary downtime.\u003c\/p\u003e \u003ch3\u003eMaking an informed choice\u003c\/h3\u003e\n\u003cp\u003eWhen exact specifications and reliable compatibility are non-negotiable, the Westinghouse LA3300S delivers a clearly defined solution for 300A, 3-pole, 600V applications. By focusing on the correct part number and verified fit, you ensure lasting performance and a smoother maintenance cycle, minimizing surprises during installation and future servicing.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Westinghouse","offers":[{"title":"Default Title","offer_id":46427248853154,"sku":"LA3300S","price":510.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/master_generic_ad06fdd7-931c-4a09-bfbe-d05329579cd6.png?v=1765492978","url":"https:\/\/www.ampstate.com\/products\/westinghouse-la3300s-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}